/* Copyright (c) 2020 XEPIC Corporation Limited */
/*
 * Copyright (c) 2011 Stephen Williams (steve@icarus.com)
 *
 *    This source code is free software; you can redistribute it
 *    and/or modify it in source code form under the terms of the GNU
 *    General Public License as published by the Free Software
 *    Foundation; either version 2 of the License, or (at your option)
 *    any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
 * USA.
 */

#include "entity.h"
#include "expression.h"

using namespace std;

void ComponentBase::write_to_stream(ostream& fd) const {
  fd << "  component " << name_ << " is" << endl;

  if (!parms_.empty()) {
    fd << "   generic(" << endl;

    for (vector<InterfacePort*>::const_iterator it = parms_.begin();
         it != parms_.end(); ++it) {
      const InterfacePort* parm = *it;

      if (it != parms_.begin()) fd << ";";

      fd << "     " << parm->name << " : ";
      parm->type->write_to_stream(fd);

      if (parm->expr) {
        fd << " := ";
        parm->expr->write_to_stream(fd);
      }

      fd << endl;
    }

    fd << "   );" << endl;
  }

  if (!ports_.empty()) {
    fd << "   port(" << endl;

    vector<InterfacePort*>::const_iterator cur = ports_.begin();
    while (cur != ports_.end()) {
      InterfacePort* item = *cur;
      ++cur;

      fd << "     " << item->name << " : ";
      switch (item->mode) {
        case PORT_NONE:
          fd << "???? ";
          break;
        case PORT_IN:
          fd << "in ";
          break;
        case PORT_OUT:
          fd << "out ";
          break;
        case PORT_INOUT:
          fd << "inout ";
          break;
      }

      item->type->write_to_stream(fd);

      if (cur != ports_.end())
        fd << ";" << endl;
      else
        fd << endl;
    }

    fd << "   );" << endl;
  }
  fd << "  end component;" << endl;
}
